Finding the Fourth Proportional to 1,550.72, 2,320.27 and 923.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.72 : 2,320.27 = 923.73 : x
2. Step 2: Convert to fraction form
   1,550.72/2,320.27 = 923.73/x
3. Step 3: Cross multiply
   1,550.72x = 2,320.27 × 923.73
4. Step 4: Simplify right side
   1,550.72x = 2,143,303.01
5. Step 5: Solve for x
   x = 2,143,303.01/1,550.72
6. Step 6: Final answer
   x = 1,382.13